APA استشهاد

Kurtz, D. L. (2007). Principles of marketing (12th ed.). Thomson Soth Western.

استشهاد بنمط شيكاغو

Kurtz, David L. Principles of Marketing. 12th ed. Australia: Thomson Soth Western, 2007.

MLA استشهاد

Kurtz, David L. Principles of Marketing. 12th ed. Thomson Soth Western, 2007.